18655864

素因数分解:

$2^3\times {\mathrm{997}}^1\times {\mathrm{2339}}^1$

素因数の和:3342

約数の個数: 16

約数和(自身を含む): 35029800

約数和(自身を除く): 16373936

約数列:

[1, 2, 4, 8, 997, 1994, 2339, 3988, 4678, 7976, 9356, 18712, 2331983, 4663966, 9327932, 18655864]

約数ペア:

[(1, 18655864), (2, 9327932), (4, 4663966), (8, 2331983), (997, 18712), (1994, 9356), (2339, 7976), (3988, 4678)]